Home / 9,115,250.40-13,654,853.20-7,994,584.80

Finding the Fourth Proportional to 9,115,250.40, 13,654,853.20 and 7,994,584.80

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Solution

The fourth proportional to 9,115,250.40, 13,654,853.20 and 7,994,584.80 is: 11,976,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,250.40 : 13,654,853.20 = 7,994,584.80 : x
  2. Step 2: Convert to fraction form
    9,115,250.40/13,654,853.20 = 7,994,584.80/x
  3. Step 3: Cross multiply
    9,115,250.40x = 13,654,853.20 × 7,994,584.80
  4. Step 4: Simplify right side
    9,115,250.40x = 109,164,881,838,951.34
  5. Step 5: Solve for x
    x = 109,164,881,838,951.34/9,115,250.40
  6. Step 6: Final answer
    x = 11,976,070.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.